Bleaching and dyeing; fluid treatment and chemical modification – Fluid treatment – Manipulation of liquid
Patent
1993-10-06
1994-08-23
Coe, Philip R.
Bleaching and dyeing; fluid treatment and chemical modification
Fluid treatment
Manipulation of liquid
68 1202, 68 1227, D06F 3302
Patent
active
053394747
ABSTRACT:
An apparatus for and a method of determining a twist of clothes being washed in a washer, wherein a sensing signal indicative of the twist of clothes is analyzed, to determine whether the clothes twist signal is a meaningful signal or a noise, so that when the clothes twist signal is the meaningful signal, an operation in a clothes untwisting mode is carried out for minimizing a damage of the clothes. The apparatus includes a clothes twist sensing unit for sensing a torque occurring at a drive shaft due to the distribution of impact applied to an agitator and generating a clothes twist signal according to the sensed torque, a correlation coefficient operating unit for converting the clothes twist signal into a digital signal indicative of a state value of the clothes twist signal, analyzing the state value of the clothes twist signal, and operating a correlation coefficient to be used for determining whether the clothes twist signal is a meaningful signal or a noise, based on the analysis, and a microprocessor for performing a control for executing a clothes untwisting mode, when the clothes twist signal is the meaningful signal, from the correlation coefficient outputted from the correlation coefficient operating unit.
REFERENCES:
patent: 5072473 (1991-12-01), Thuruta et al.
patent: 5144819 (1992-09-01), Hiyama et al.
patent: 5161393 (1992-11-01), Payne et al.
patent: 5208931 (1993-05-01), Williams et al.
patent: 5230228 (1993-07-01), Nakano et al.
Chung Hae Y.
Kim Hyung S.
Kim Jung H.
Lee Byeong H.
Roh Young H.
Coe Philip R.
Goldstar Co. Ltd.
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